Wed, 08 Oct 2014 14:16:40 -0700
Merge
1 /*
2 * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
25 /*
26 * @test
27 * @bug 6557752
28 * @summary Test for wrapping the original type in ErrorType.
29 * @library ../lib
30 * @compile T6557752.java
31 * @run main T6557752
32 */
34 import com.sun.source.tree.AssignmentTree;
35 import com.sun.source.tree.CompilationUnitTree;
36 import com.sun.source.tree.MethodInvocationTree;
37 import com.sun.source.util.JavacTask;
38 import com.sun.source.util.TreePath;
39 import com.sun.source.util.TreePathScanner;
40 import com.sun.source.util.Trees;
41 import com.sun.tools.javac.api.JavacTaskImpl;
42 import com.sun.tools.javac.util.List;
43 import java.io.IOException;
44 import java.net.URI;
45 import javax.lang.model.type.ErrorType;
46 import javax.lang.model.type.TypeKind;
47 import javax.lang.model.type.TypeMirror;
48 import javax.tools.JavaCompiler;
49 import javax.tools.JavaFileObject;
50 import javax.tools.SimpleJavaFileObject;
51 import javax.tools.ToolProvider;
52 import javax.lang.model.util.Types;
54 public class T6557752 {
55 static class MyFileObject extends SimpleJavaFileObject {
56 public MyFileObject() {
57 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
58 }
59 public CharSequence getCharContent(boolean ignoreEncodingErrors) {
60 return "import java.util.*;\n"
61 + "public class Test {\n"
62 + " void foobar() {\n"
63 + " Iterator<Number> itr = null;\n"
64 + " String str = itr.next();\n"
65 + " FooBar fooBar = FooBar.foobar();\n"
66 + " }\n"
67 + "}";
68 }
69 }
70 static Trees trees;
71 static JavacTask task = null;
72 public static void main(String[] args) throws IOException {
73 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
74 task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
75 Iterable<? extends CompilationUnitTree> asts = task.parse();
76 task.analyze();
77 trees = Trees.instance(task);
78 MyVisitor myVisitor = new MyVisitor();
79 for (CompilationUnitTree ast : asts) {
80 myVisitor.compilationUnit = ast;
81 myVisitor.scan(ast, null);
82 }
84 if (!myVisitor.foundError) {
85 throw new AssertionError("Expected error not found!");
86 }
87 }
89 static class MyVisitor extends TreePathScanner<Void,Void> {
90 public boolean foundError = false;
91 CompilationUnitTree compilationUnit = null;
92 int i = 0;
93 @Override
94 public Void visitMethodInvocation(MethodInvocationTree node, Void ignored) {
95 TreePath path = TreePath.getPath(compilationUnit, node);
96 TypeMirror typeMirror = trees.getTypeMirror(path);
97 if (typeMirror.getKind() == TypeKind.ERROR) {
98 if (i == 0) {
99 String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
100 if (!str1.equals("java.lang.Number")) {
101 throw new AssertionError("Trees.getOriginalType() error!");
102 }
104 Types types = task.getTypes();
106 str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
107 if (!str1.equals("java.lang.Number")) {
108 throw new AssertionError("Types.asElement() error!");
109 }
111 i++;
112 }
113 else if (i == 1) {
114 String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
115 if (!str1.equals("FooBar")) {
116 throw new AssertionError("Trees.getOriginalType() error!");
117 }
119 Types types = task.getTypes();
121 str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
122 if (!str1.equals("FooBar")) {
123 throw new AssertionError("Types.asElement() error!");
124 }
125 foundError = true;
126 }
127 }
130 return null;
131 }
133 }
134 }